Choosing the best spark plugs for VAZ 2112, Priora and other models

All gasoline engines use spark plugs to ignite the fuel mixture, and the VAZ 2110 is no exception. Good and serviceable spark plugs are the key to reliable and stable operation of the car’s power plant. The choice of spark plugs for the VAZ 2110 must be approached wisely, and before installation, the correct gap between the electrodes must be set, but not many people know the necessary parameters for selecting spark plugs and setting the gap.

This article will talk about spark plugs for the domestic “ten”, and specifically talk about their service life, independent replacement, setting the gap and selecting the optimal spark plugs for a given engine.

Candle design

Spark plugs are made of the same type, but often include different components, which allows you to change the technical characteristics of the spark plugs, but in general the elements included in the spark plug remain unchanged.

The candle consists of:

• The contact through which the wire and spark plug are connected;
• An insulator that allows you to maintain voltage from the ignition module without breakdown, and also protects the spark plug from overheating;
• Electrodes, central and side, between these two electrodes a spark occurs, igniting the fuel mixture;
• A ring that contracts, sealing the combustion chamber;
• Threads necessary for reliable fixation of the spark plug in the cylinder head;

Article: 3132, additional articles: BCPR6E11, 2112-3707010-01

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Spark plug VAZ-2112 BCPR6E-11 NGK Key opening, mm: 16.0 Thread diameter, mm: 14.0 Thread length, mm: 19.0 Interelectrode gap, mm: 1.1 Middle electrode material: Nickel-Mittelelektrode Resistance: entstoert, 5 kOhm Analogue numbers: Beru Z16; Bosch 0242235913; Denso Q16TT; Denso Q20PR-U11

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• Passenger cars / VAZ / VAZ-21101 drawing

• » href=»/catalog/vaz-3/legkovye_avtomobili-30/vaz_2110-10/sistema_zajiganiya-215/#part42312″>Spark plugElectrical equipment / Ignition system

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The ignition system is one of the main control systems of the vehicle's power unit. It is designed for timely ignition of the fuel mixture.

The spark plug is a very important and rather capricious element of an internal combustion engine. The stability and efficiency of the engine depends on the correct choice of spark plug. You can learn about the main characteristics that you should pay attention to when purchasing from the article below.

The spark plug has long been the subject of jokes and has been played up many times in driver folklore, and this is not surprising - spark plugs play an important role in a car and sometimes cause a lot of problems for drivers. Read about what spark plugs are, what they are, how they are characterized, and how often they need to be replaced.

Spark plug gap

For normal operation of a car engine, it is necessary not only to have good and high-quality spark plugs, but also to have a correctly set gap between the electrodes.

The gap between the electrodes is set by bending the side electrode and measuring the distance between the central electrode using a probe.

• For VAZ 2110 injection engines, the gap between the electrodes should be - 1 mm ;
• For VAZ 2110 carburetor engines, the gap between the electrodes should be 0.7 mm ;

How to choose spark plugs for a VAZ 2110 injector 8 valves

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Gentlemen, you know that it is recommended to install A17DVRM manufactured by APS on the 8th injection engine. Today, due to their design features, these candles are considered not very reliable and good. Why? But because there is a resistor inside, which burns out after 3000 km and the spark plug begins to behave improperly. In general, to be honest, after 3000 km, normal car enthusiasts change them, well, some drive for 10,000-20,000. It happens!))))) The gap on these spark plugs is 1.1 mm. There is a solution: On Bosch equipment, on which APS candles are assembled, at the same time they produce candles, please note, of excellent quality, for 8 cells. carb. engine. The difference is: 1. Gap, 2. No resistor, 3. Quality. Conclusion, as I did: Set the new gap to 0.95, install and enjoy. Where does 0.95 come from! Ask. I answer, we conducted testing, i.e. We set different gaps and checked the operation of the engine. VAZ sets and recommends differently everywhere: where 1, where 1,1. - for the injector. After the Test program we set 0.95. Gentlemen, this is the optimal distance. I confirm this by the presence of facts. Anyone who wants to, let him experiment. Get positive results. Good luck.

Gentlemen, you know that it is recommended to install A17DVRM manufactured by APS on the 8th injection engine. Today, due to their design features, these candles are considered not very reliable and good. Why? But because there is a resistor inside, which burns out after 3000 km and the spark plug begins to behave improperly. In general, to be honest, after 3000 km, normal car enthusiasts change them, well, some drive for 10,000-20,000. It happens!))))) The gap on these spark plugs is 1.1 mm. There is a solution: On Bosch equipment, on which APS candles are assembled, at the same time they produce candles, please note, of excellent quality, for 8 cells. carb. engine. The difference is: 1. Gap, 2. No resistor, 3. Quality. Conclusion, as I did: Set the new gap to 0.95, install and enjoy. Where does 0.95 come from! Ask. I answer, we conducted testing, i.e. We set different gaps and checked the operation of the engine. VAZ sets and recommends differently everywhere: where 1, where 1,1. - for the injector. After the Test program we set 0.95. Gentlemen, this is the optimal distance. I confirm this by the presence of facts. Anyone who wants to, let him experiment. Get positive results. Good luck.

A17DVRM not very reliable? Why did you get this interesting? I drove them a lot, no problems, changed them after 15 thousand. along with TO. And why is it “On Bosch equipment, on which APS spark plugs are assembled, at the same time they produce spark plugs, please note, of excellent quality”? Those. A17DVRM are worthless, and A17DV10, assembled there, are good?

And can you tell us in more detail where “we” carried out the testing? Is it in the garage? Are you asserting “the presence of facts”? So give these facts.

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Differences between spark plugs for VAZ 2110

Differences in spark plugs for the VAZ 2110 depend on the type of engine. As you know, several engines were installed in the “top ten”, such as: 8-valve carburetor and injection, 16-valve injection.

For 8-valve engines, spark plugs are installed under a 21 mm spark plug head, and for 16-valve engines, under a 16 mm spark plug head. The smaller diameter of the spark plug hexagon for 16-valve engines is due to the fact that the spark plugs in this engine are installed in wells, which makes it impossible to tighten them with a 21 mm wrench.

Checking the condition of the spark plugs

Based on the condition of the spark plug electrodes and threaded part, you can determine whether the engine is operating optimally.

If the top of the spark plug insulator heat cone is light gray to gray in color , then the engine cylinder is operating normally and the fuel injection system is adjusted.

If the top of the heat cone of the spark plug insulator is white , then the ignition timing is incorrect.

Black, soot-like deposits indicate that the spark plug is not reaching its self-cleaning temperature (frequent short-distance driving), incorrect heat rating, too high carbon monoxide content.

Oily layer on the electrodes. Damaged piston rings, valve guides or oil seals. You may have used oil or fuel with additives. In this case, you need to change the oil or fuel with additives and check the condition of the spark plugs again.

Which spark plugs are better for VAZ 2110

AU17DVRM

The original spark plugs for all VAZs are AU17DVRM. These spark plugs from the domestic manufacturer are of excellent quality and have proven themselves well in the market. AU17DVRM are an excellent alternative for replacing spark plugs, as these spark plugs have good spark formation, reliability and durability, and are also not inferior to imported analogues.

NGK No. 11

NGK spark plugs have performed well on the market and are one of the most popular spark plugs for domestic cars. Most Lada owners prefer NGK No. 11 spark plugs. These spark plugs have a long service life and high reliability.

Replacing spark plugs on a VAZ-2112 16 valves: video and photos

There is no doubt that the procedure for replacing spark plugs on a VAZ-2112 is very important and necessary. As a rule, it should be carried out every 25-30 thousand kilometers or without waiting for this period, if malfunctions occur.

When to change spark plugs?

Such malfunctions include: engine tripping, increased fuel consumption, difficult starting, etc. The condition of the spark plugs can be determined by visually inspecting the central part of the spark plug or its body. The presence of soot, dirt, and various cracks will directly indicate the need to replace it.

To make it easier for you to determine the condition of your candles by visible signs, we bring to your attention a special table.

Using this table it is very easy to determine the condition of the candles

Replacing spark plugs yourself

Before you start replacing old spark plugs, decide on the choice of new ones, you can read about this in this article. Also, before starting dismantling, make sure to place the car on a flat surface and disconnect the negative cable from the battery.

Signs of faulty spark plugs

Quite often, VAZ 2110 owners are faced with the problem of one of the spark plugs failing. Failure of a spark plug manifests itself with the following symptoms:

• The car's traction disappears;
• One of the cylinders is switched off;
• Engine vibration increases;
• Popping sounds are coming from the exhaust pipe;
• Idle speed becomes much lower than usual;
• The car jerks when driving;

If your car shows such signs of malfunction, you need to check the spark plugs or replace them with new ones.

Basic tips for choosing spark plugs for VAZ

Representatives of the AvtoVAZ automaker advise choosing spark plugs taking into account the following features:

1. Heat number. The indicator indicates the intensity of thermal energy removal from the working part of the candle. The electrode sends excess heat to the part skirt in a timely manner, ensuring its proper functioning. When energy is transferred too quickly, scale appears on the surface of the spark plug, preventing spark breakdown. If the tap is weak, it causes the thin electrode to overheat. The phenomenon ensures the formation of glow ignition, which prevents the normal operation of the power plant due to the ignition of the air-fuel mixture before the required time. With balanced heat transfer, the spark plugs normally spark without creating carbon deposits.
2. Spark gap. For smooth operation of the engine, it is necessary to maintain the correct gap on the spark plugs - this parameter is determined by the manufacturers of VAZ engines. It is needed due to the presence of corresponding force in the electric arc. As the gap widens, the spark becomes unstable, causing misfires. If the distance narrows, the unit starts up faster, but when the gas pedal is pressed hard, a deficiency in the electric arc current occurs. Such phenomena are due to the fact that each ignition coil has a special transformation ratio, which, by default, is 2,000 units. This indicates that when the engine starts, the parts generate up to 14 kW, and during normal operation - already 24 kW. If the parameter is not observed, dangerous deviations in the functioning of the motor cannot be ruled out.
3. Departure of the main part of the electrodes. This property is an indispensable requirement for the correct operation of engines in VAZ cars. Spark plugs for models of the domestic automobile industry with 8-valve injectors and carburetors have electrodes slightly extended forward. This design is due to the following: the parts are located in the corner of the combustion chamber, where there is no normal air exchange. The presence of an overhang contributes to more efficient ignition of the mixture and improved engine performance. If the plugs are in a multi-valve engine where the inserts are located in the central part of the valve heads, it is better to choose plugs with deep seat cores. This modification will eliminate the problem of electrode failure when interacting with the piston bottom, as well as prevent the appearance of carbon deposits on important elements.
4. Number of electrodes. In the past, spark plug suppliers claimed that the more electrodes a part had, the better it was. If one element burns out, the spark plug automatically switches to another, serviceable one, which has a positive effect on its service life. But in practice, the situation looks different: if the fuel-air mixture is sprayed unevenly (due to poor air exchange in the combustion chamber), and the spark ends up in the exhaust accumulation zone, this can cause misfire and incorrect engine operation. This factor increases the likelihood of wear of the catalyst and engine oil, which can become a critical failure for AvtoVAZ cars.
5. Reputation of the manufacturing company. An important selection criterion is the rating of the company that supplies the product to the market. Experts recommend purchasing spark plugs from trusted suppliers. In this case, the components will work properly and for a long time without affecting the functionality of the power plant.

Using the tips listed above, you can choose a truly high-quality part, reducing the frequency of vehicle maintenance.

When to change spark plugs on a 16-valve VAZ-2112?

Each spark plug manufacturer has its own schedule for periodically replacing spark plugs. However, the service life of 20-30 thousand kilometers for cars of the VAZ family is generally similar. However, if any interruptions occur during engine operation, as well as other reasons why it is necessary to replace the spark plugs, it is recommended not to delay and carry them out.

What to choose?

For the VAZ-2112 there are many different brands of spark plugs, which differ in type, composition and appearance. Therefore, what exactly to choose is up to you, and below we will tell you about each of those that are most often chosen by the owners of “two-wheelers.”

• JSC ZAZS, Russia AU17DVRM
• BERU, Germany 14FR-7DU
• CHAMPION, England RC9YC
• NGK, Japan BCPR6ES-11
• DENSO, Japan Q20TT
• BRISK, Czech Republic DR15YC
• BOSCH, Germany FR7DCU
• FINWHALE, Germany F516

Choice

The choice of candles today is quite extensive. But we’ll talk about which ones are used for the VAZ 2110 and what can currently be considered the best choice for your car.

Candles differ from each other mainly in the material from which the electrodes are made.

The service life may increase or decrease depending on the care, conditions of use of the vehicle, and the quality of the fuel being poured.

Platinum candle

Spark plugs for 3S-FE

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  Spark plugs for 3S-FE

  Help me understand which original spark plugs can be installed in the 3S-FE engine? Is it possible to install substitutes, for example Bosch, because... because of our gasoline, the original still runs 10-15 thousand instead of the required 80 thousand.

  According to the catalog, Bosch super4 FR78X spark plugs are suitable for my car (Toyota RAV4, 1997, with a 3S-FE engine). Who will say what about them? Difference: - a set of good Bosch super4 FR78X (for 3S-FE) costs 550-600 rubles. — a set of original ones (I think it will be worth it) — $12-15 for one. At the same time, they say that an original and a good one are not the same.

Rating of the TOP 5 best spark plugs for VAZ cars

Copper-nickel spark plugs for VAZ cars of the “Standard” category are used on carburetor engines with a contact ignition system; their reliable service life does not exceed 10,000 kilometers.

Attention! These are products with a good reputation, so they are massively counterfeited. The rules for identifying the original can be found on the manufacturers’ websites.

Gap

When performing a preventive check of spark plugs or while searching for the causes of an unstable engine, it is recommended to check the gap between the electrodes.

1. If the gap is larger than normal, the spark will form more than usual, the mixture will begin to ignite more strongly, and the flow rate will be more stable. In this case, failures in the operation of the motor may occur.
2. If the gap is smaller than required, the spark will begin to appear earlier than required. The small spark energy is not capable of effectively igniting the fuel mixture. This increases fuel consumption, but reduces engine power and worsens dynamics.

The gap between the electrodes on the injection VAZ 2110, according to the manufacturer’s recommendations, ranges from 1 to 1.13 millimeters.

Gap measurement

Setting the gap

The first step is to check whether the gap really deviates from the norm, and then take appropriate action. So, let's begin.

1. Get to the spark plugs, having first disconnected the high-voltage wires from them.
2. Use a feeler gauge to measure the distance between the two electrodes of your spark plugs. Special probes are sold that look like a folding knife.
3. Take a feeler gauge whose blade is exactly 1 mm thick.
4. Insert the probe into the gap between the electrodes.
5. Normally the blade should go in with a slight pinch, but you don't have to use much force to get it in.
6. If the blade is too loose, then the gap is too high. You will need to lightly press the upper electrode against the lower one until the required distance is formed.
7. If the blade is difficult to fit into the gap, then it was smaller than required. In this situation, you will have to do the opposite, bend the electrode slightly.

Adjusting the distance

When increasing or decreasing the gap, do not apply too much force, otherwise you risk breaking the element. In this situation, there is nothing left to do but change the spark plug.